Training in endoscopic submucosal dissection from a Western perspective

Endoscopic submucosal dissection (ESD) is a mature endoscopic procedure that was developed in Japan to enable the en bloc, curative resection of superficial dysplastic lesions in the luminal gastrointestinal tract that have a low risk of lymph node metastasis. ESD requires a cognitive understanding of endosurgical principles, the ability to apply advanced optical imaging techniques to diagnose and stage lesions, and a high degree of endoscopic...